package com.atguigu.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.aliyuncs.vod.model.v20170321.DeleteVodTemplateResponse;
import com.atguigu.servicebase.exceptionhandler.GuliException;
import com.atguigu.vod.service.VodService;
import com.atguigu.vod.utils.ConstantVodUtils;
import com.atguigu.vod.utils.InitVodClient;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

/**
 * @author hdoubleq
 * @Date 2020/11/30-8:44
 */
@Service
public class VodServiceImpl implements VodService {
    //上传视频到阿里云
    @Override
    public String uploadVideoAlyi(MultipartFile file) {
        try {
            //上传文件原始名称
            String fileName=file.getOriginalFilename();
            //上传文件后显示的名称
            String title=fileName.substring(0,fileName.lastIndexOf("."));
//            上传文件流
            InputStream inputStream=file.getInputStream();
            //本地文件上传
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID,ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName,inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);
            String videoId = "";
            if (response.isSuccess()) {
                videoId=response.getVideoId();
            } else {
                /* 如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因 */
                videoId=response.getVideoId();
            }
            return videoId;
        }catch (Exception e){
            e.printStackTrace();
            return null;
        }

    }
    //删除多个视频
    @Override
    public void removeMoreVideo(List<String> videoList) {
        try {
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            DeleteVideoRequest request = new DeleteVideoRequest();
            DeleteVodTemplateResponse response = new DeleteVodTemplateResponse();
            String join = StringUtils.join(videoList.toArray(), ",");
            //设置视频id
            request.setVideoIds(join);
//            调用初始化方法进行删除
            client.getAcsResponse(request);
        }catch (Exception e){
            e.printStackTrace();
            throw new GuliException(20001,"删除视频失败");
        }
    }
}
